Abstract: Based on the introduction of symbols and tourist symbols, the interpretation of national cultural tourism symbols, pointing out its proprietary, iconic, symbolic, sacred, and developmental characteristics, summing up the meaning of national cultural tourism symbols: symbols are the core of national cultural tourism; the symbol promotes the development of national cultural tourism; the tourism symbol inherits the national cultural connotation. Try to put forward the construction mode of national cultural tourism symbols, and take the Blang people in Shidian county as an example to identify and select the cultural symbols of the Blang ethnic group from the two aspects of symbol and behavior symbol, with “Flower Man” and “Festival Wood Dragon” as two key construction goals, it elaborates the ideas and processes of the extraction of national cultural tourism symbols, and provides ideas for the development of cultural tourism in other ethnic areas.